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HIMACHAL PRADESH MAR 2008 : Physics Practical

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PHYSICS (Practical) Time Allowed : 3 Hrs. Note : (1) (2) (3) (4) (5) (6) Note : Max. Marks 25 The candidates will tick mark ( ) two experiments from each section A and B. The Practical examiner will allot one experimental question from each Section A and B to the candidate out of marked questions. The candidate will tick mark ( ) three activity questions from each Section A and B. The examiner will allot two activity questions from each Section A and B. Section C is compulsory. Log tables will be supplied on demand. Any change from allotted experimental question will cost (two) 2 marks. Any change from allotted activity question will cost (one) 1 mark. The candidates are required to attempt either one experimental question (or) two activity questions from each Section A and B. Section-A Q1. To verify laws of combination (Series / parallel) of resistance using a metre bridge. 6 Q2. To compare the e.m.f.'s of two given primary cells using potentiometer. 6 Q3. To determine resistance per cm of a given wire by plotting a graph of potential difference versus current. 6 Q4. To find the frequency of a.c. mains with Sonometer. 6 Q5. To determine resistance of a galvanometer by half-deflection method and to find its figure of merit. 6 ACTIVITIES Q1. To assemble the components of given electrical circuit. 3 Q2. To measure the resistance and impedance of an inductor with or without iron core. 3 Q3. To study the variation in potential drop with length of a wire for a steady current. 3 Q4. To assemble a household circuit comprising three bulbs, three (on/off) switches, a fuse and a power source. 3 (20) Q5. To measure resistance, voltage (AC/DC), current and check the continuity of given circuit using multimeter. 3 Section-B Q6. To find the focal length of convex mirror using convex lens. 6 Q7. To find the value of V for different values of U in case of concave mirror and find the focal length. 6 Q8. To determine the refractive index of a glass slab using a travelling microscope. 6 Q9. To draw the I-V characteristic curve of a p-n junction in forward bias and reverse bias. 6 Q10. To draw the characteristic curves of zener diode and to determine its reverse breakdown voltage. 6 ACTIVITIES Q6. To observe polarization of light using two polaroids. 3 Q7. To observe diffraction of light due to thin slit. 3 Q8. To obtain a lens combination with the specified focal length by using two lenses from the given set of lenses. 3 Q9. To study the effect of intensity of light (by varying distance of source) on L.D.R. 3 Q10. To study the nature and size of the image of a candle formed by a concave mirror on screen. 3 Section-C Q11. Practical record of experiments and activities (Note-Book) 5 Q12. Investigatory Projects : (a) Records (b) Viva - Voce 2 2 Q13. Viva - Voce on experiments and activities. (21) 2, 2

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Additional Info : Model Question Papers Of Plus Two Examination March 2008 Physics Practical
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